diff --git a/Makefile b/Makefile
index 2d2b7a6..1784eac 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@
 venv-service:
 	virtualenv $@;\
     source ./$@/bin/activate ; set -u ;\
-    pip install -r requirements.txt xosmigrate~=3.2.1
+    pip install -r requirements.txt xosmigrate~=3.2.6
 
 create-migration: venv-service
 	source ./venv-service/bin/activate; set -u;\
diff --git a/VERSION b/VERSION
index 6ac22da..2044445 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-1.2.2
+1.2.3-dev